infodlg.cpp

来自「用VC+SuperMap开发的校园GIS系统」· C++ 代码 · 共 110 行

// InfoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CampusGis.h"
#include "InfoDlg.h"

#include "sofieldinfo.h"
#include "sofieldinfos.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CInfoDlg dialog


CInfoDlg::CInfoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CInfoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInfoDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CInfoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInfoDlg)
	DDX_Control(pDX, IDC_LISTINFO, m_ListInfo);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CInfoDlg, CDialog)
	//{{AFX_MSG_MAP(CInfoDlg)
	ON_WM_SIZE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInfoDlg message handlers

BOOL CInfoDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	//初始化ListView
	CRect rcClient;
	GetClientRect(rcClient);//获得客户区的大小
	m_ListInfo.InsertColumn(0,"字段",LVCFMT_LEFT,rcClient.Width()/2,-1);
	m_ListInfo.InsertColumn(1,"属性值",LVCFMT_LEFT,rcClient.Width()/2,-1);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CInfoDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	CRect rc;
	GetClientRect(rc);
	if(::IsWindow(m_ListInfo.m_hWnd))
	{
		m_ListInfo.MoveWindow(rc);
	}
}

BOOL CInfoDlg::InsertRecordset(CsoRecordset* pRecordset)
{
	//if recordset is null , exit
	if(!pRecordset)
		return FALSE;
	if(pRecordset->GetRecordCount()==-1)
		return FALSE;
	// count recordset's record number
	long lRecordCount=pRecordset->GetRecordCount();
	//count recordset's field number
	long lFieldCount=pRecordset->GetFieldCount();
	//field information
	CsoFieldInfo FieldInfo; 
	//ListItem index
	int nItemIndex; 	
	COleVariant variant; 
	//显示的文本
	CString strValue; 
	m_ListInfo.DeleteAllItems();
	for(long i=1;i<=lFieldCount;i++)
	{
		FieldInfo=pRecordset->GetFieldInfo(COleVariant(i,VT_I4 ));
		nItemIndex=m_ListInfo.InsertItem(i-1,FieldInfo.GetName());
		variant=pRecordset->GetFieldValue(COleVariant(i,VT_I4 ));
		//使用ColeVariant 类实现数据类型转换
		//转换后才能显示在列表控件中
		variant.ChangeType(VT_BSTR);
		strValue=variant.bstrVal;
		m_ListInfo.SetItemText(nItemIndex,1,strValue);
	}
	m_ListInfo.UpdateWindow();

	return true;
}